Train harder and smarter with industry-leading accuracy
3D patent pending power meter technology measures tri-axial strain to provide accurate consistent data
Left sided, compact design, extremely lightweight at 9 grams
Data accuracy within +/- 1.5% error margin
Waterproof and works in all temperatures
Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products. For a full list of compatible devices see the 4iiii website
User-friendly app and configurable rider compensation scale factor
Battery: 100+ riding hours on a replaceable 2032 coin cell battery with battery status indicator on 4iiii app
Check frame clearance before ordering on 4iiii's website. 4iiii's rule of thumb for frame to crank clearance: a gap the width of an AAA battery between the crank arm and the frame
Precision Ride Ready power meter comes installed on a new Shimano left side crank arm, simply choose the correct Shimano model
